packer-cn/builder/file/config.go

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package file
import (
"fmt"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/helper/config"
"github.com/mitchellh/packer/packer"
"github.com/mitchellh/packer/template/interpolate"
)
type Config struct {
common.PackerConfig `mapstructure:",squash"`
Filename string `mapstructure:"filename"`
Contents string `mapstructure:"contents"`
}
func NewConfig(raws ...interface{}) (*Config, []string, error) {
c := new(Config)
warnings := []string{}
err := config.Decode(c, &config.DecodeOpts{
Interpolate: true,
InterpolateFilter: &interpolate.RenderFilter{
Exclude: []string{},
},
}, raws...)
if err != nil {
return nil, warnings, err
}
var errs *packer.MultiError
if c.Filename == "" {
errs = packer.MultiErrorAppend(errs, fmt.Errorf("filename is required"))
}
if c.Contents == "" {
warnings = append(warnings, "contents is empty")
}
if errs != nil && len(errs.Errors) > 0 {
return nil, warnings, errs
}
return c, warnings, nil
}